CamelBak Stamina I 22 oz Performance Bottle (Black/Charcoal) Includes a CamelBak 22 oz. Performance bottle Velvetex waist belt is comfortable next to skin and stable enough for long runs. Easy to access pocket on waist belt holds MP3 player, cell phone or gel bottle Front and back reflectivity improves low light visibility. Stash pockets on waist belt for access to snacks and essentials on the move.